Food warmer



FIG. 1 is a right, front and top perspective view of a food warmer showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The cord in FIGS. 1-7 is bracketed for ease of illustration. 

The ornamental design for a food warmer, as shown and described. 